Remove taint information

crytic · Nov 30, 2018 · 2e56f6a · 2e56f6a
1 parent dbb0b10
commit 2e56f6a
Showing 1 changed file with 0 additions and 16 deletions.
diff --git a/evm_cfg_builder/value_set_analysis.py b/evm_cfg_builder/value_set_analysis.py
@@ -37,14 +37,6 @@ class AbsStackElem(object):
 
  def __init__(self):
  self._vals = []
- self._is_tainted = False
-
- @property
- def is_tainted(self):
- return self._is_tainted
-
- def taint(self):
- self._is_tainted = True
 
  def append(self, nbr):
  '''
@@ -97,8 +89,6 @@ def absAnd(self, elem):
  else:
  newElem.append(a & b)
 
- #if self.is_tainted or elem.is_tainted:
- # self.taint()
  return newElem
 
  def merge(self, elem):
@@ -120,8 +110,6 @@ def merge(self, elem):
  if len(vals) > self.MAXVALS:
  vals = None
  newElem.set_vals(vals)
- #if self.is_tainted or elem.is_tainted:
- # newElem.taint()
  return newElem
 
  def equals(self, elems):
@@ -134,8 +122,6 @@ def equals(self, elems):
  bool: True if the two absStackElem are equals. If both are TOP
  returns True
  '''
- #if self.is_tainted != elems.is_tainted:
- # return False
 
  v1 = self.get_vals()
 
@@ -162,8 +148,6 @@ def get_copy(self):
  '''
  cp = AbsStackElem()
  cp.set_vals(self.get_vals())
-# if self.is_tainted:
- # cp.taint()
  return cp
 
  def __str__(self):